Burstein, John

While planting two gardens, the monsters learn that the number of monster melon seeds, and the length of two hoses, does not change when the objects are moved or rearranged.

Teaches the concept of measurement to children from the prekindergarten level to grade two through a story in which Addison, Multiplex, Mina, Split, and the other math monsters build a playhouse.

As they fill holiday gift boxes with different colored gollywomples for their ten friends, the four monsters learn about grouping numbers when counting and adding.

Introduces mapmaking to children from the prekindergarten level to grade two through a story in which Addison, Multiplex, and the other math monsters draw a map, with landmarks, for their party invitations.

Introduces the concept of time for children from the prekindergarten level to grade two through a story in which Addison, Multiplex, Mina, Split, and the other math monsters go kite flying and time each person's turn with the kite by counting drips of water.

The Math Monsters explain how things can look different depending on one's perspective and explore the shapes of buildings in Monster Town.

The four math monsters show how to estimate as they help Aunt Two Lips figure out how many gollywomples are on her 100 trees.

Teaches the concept of doubling to children from the prekindergarten level to grade two through a story in which Addison, Multiplex, and the other math monsters juggle, lift weights, and perform magic tricks at a circus.

Introduces the concept of counting to children from the prekindergarten level to grade two through a story in which Addison, Multiplex, and the other math monsters visit their uncle's pet store.

Introduces the concept of area calculation to children from the prekindergarten level to grade two through a story in which Addison, Multiplex, and the other math monsters make a launching pad for their rocket out of tiles.